This grapevine perch is a great spot for all different medium sized birds to perch on It has a single branch with multiple diameters and secures to any cage or aviary with two washers and a wingnut. The perch is sandblasted. Diameters and sizes vary as does the shape of the branches. About 10-12" long. Standard non-stainless hardware. Note: by its nature, grapevine has many cracks and crevices.